Home / 8,489,328.12-12,725,987.22-4,225,465.44

Finding the Fourth Proportional to 8,489,328.12, 12,725,987.22 and 4,225,465.44

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Solution

The fourth proportional to 8,489,328.12, 12,725,987.22 and 4,225,465.44 is: 6,334,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,328.12 : 12,725,987.22 = 4,225,465.44 : x
  2. Step 2: Convert to fraction form
    8,489,328.12/12,725,987.22 = 4,225,465.44/x
  3. Step 3: Cross multiply
    8,489,328.12x = 12,725,987.22 × 4,225,465.44
  4. Step 4: Simplify right side
    8,489,328.12x = 53,773,219,187,991.69
  5. Step 5: Solve for x
    x = 53,773,219,187,991.69/8,489,328.12
  6. Step 6: Final answer
    x = 6,334,213.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.